Disadvantages Advantages Conclusion Much water used
Water pollution
Landscape destruction
(more)

Disadvantages Advantages Conclusion Much water used
Water pollution
Landscape destruction
Solid wastes
Greenhouse gas emission Energy independence
Wastewater can be recover
The less pollutant non renewable energy
Not as much water
Doesn´t entail seismic risk (less)

The human necessity of being in touch at every moment has led to the appearance of cellphones.
In order to work, these gadgets require a cell tower or station in charge of sending out (more)

The human necessity of being in touch at every moment has led to the appearance of cellphones.
In order to work, these gadgets require a cell tower or station in charge of sending out electromagnetic waves which will spread throughout the surroundings.
A question is raised at this moment: Are these signals harmful for us?
(less)